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3 years ago

X^2 + 49= 0. help me plz will name brainlyest if right!

Mathematics

2 answers:

sergeinik [125]3 years ago

7 0

Answer: x = 7 i ,− 7 i

Step-by-step explanation:

12345 [234]3 years ago

6 0

Subtract 49 from both sides
x^2= -49
x= -49 in square root
x=7

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The questions are in the images pls answer all or your answer will be deleted because this is for a lot of points and im losing

PilotLPTM [1.2K]

x + 2y = 21

+ -x + 3y = 29

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5y = 50

y = 10

x + 2(10) =21

x = 1

6x + 6y = 30

+ 15x - 6y = 12

-------------------------------

21x = 42

x = 2

6(2) + 6y = 30

6y = 18

y = 3

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3 years ago

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Studentka2010 [4]

Answer: 5

Step-by-step explanation:

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3 years ago

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In your notebook, set up the following subtraction in a vertical format and select the correct answer. Find 2p 2 3p - 4 less - 2

Elena L [17]

The equation in the reduced form of the equation is $\rm 4p^ 2 + 6p - 8$ .

Given that,

Equation; $\rm 2p^ 2 + 3p - 4\ by\ -2p ^2 - 3p +4$

We have to reduce the equation.

According to the question,

To reduce the equation means we need to subtract one equation from the other.

To determine the reduced form of the equation following all the steps given below.

Equation; $\rm 2p^ 2 + 3p - 4\ by\ -2p ^2 - 3p +4$

Subtraction equation 1 from equation 2,

$\rm = \rm 2p^ 2 + 3p - 4\ -(-2p ^2 - 3p + 4)\\\\= 2p^ 2 + 3p - 4\ -(-2p ^2 -3p +4)\\\\ = 2p^ 2 + 3p - 4+2p^ 2 + 3p - 4 \\\\ = 4p^ 2 + 6p - 8$

Hence, The equation in the reduced form of the equation is $\rm 4p^ 2 + 6p - 8$ .

For more details refer to the link given below.

brainly.com/question/1807316

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2 years ago

Yall good at slope? if so, i need help

atroni [7]

Answer:

Undefined

Step-by-step explanation:

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2 years ago

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SCORPION-xisa [38]

Answer:

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3. 20°, 140°, 20°

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3 years ago

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X^2 + 49= 0. help me plz will name brainlyest if right!​

X^2 + 49= 0. help me plz will name brainlyest if right!